Pet bed or similar article



FIG. 1 is an isometric view of a pet bed or similar article showing our new design;

FIG. 2 is a front-elevational view thereof;

FIG. 3 is a back-elevational view thereof;

FIG. 4 is a side-elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a pet bed or similar article, as shown and described. 